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.TH "NAMED-JOURNALPRINT" "1" "@RELEASE_DATE@" "@PACKAGE_VERSION@" "BIND 9"
.SH NAME
named-journalprint \- print zone journal in human-readable form
.SH SYNOPSIS
.sp
\fBnamed\-journalprint\fP [\-c serial] [\fB\-dux\fP] {journal}
.SH DESCRIPTION
.sp
\fBnamed\-journalprint\fP scans the contents of a zone journal file,
printing it in a human\-readable form, or, optionally, converting it
to a different journal file format.
.sp
Journal files are automatically created by \fI\%named\fP when changes are
made to dynamic zones (e.g., by \fI\%nsupdate\fP). They record each addition
or deletion of a resource record, in binary format, allowing the changes
to be re\-applied to the zone when the server is restarted after a
shutdown or crash. By default, the name of the journal file is formed by
appending the extension \fB\&.jnl\fP to the name of the corresponding zone
file.
.sp
\fBnamed\-journalprint\fP converts the contents of a given journal file
into a human\-readable text format. Each line begins with \fBadd\fP or \fBdel\fP,
to indicate whether the record was added or deleted, and continues with
the resource record in master\-file format.
.sp
The \fB\-c\fP (compact) option provides a mechanism to reduce the size of
a journal by removing (most/all) transactions prior to the specified
serial number. Note: this option \fImust not\fP be used while \fI\%named\fP is
running, and can cause data loss if the zone file has not been updated
to contain the data being removed from the journal. Use with extreme caution.
.sp
The \fB\-x\fP option causes additional data about the journal file to be
printed at the beginning of the output and before each group of changes.
.sp
The \fB\-u\fP (upgrade) and \fB\-d\fP (downgrade) options recreate the journal
file with a modified format version.  The existing journal file is
replaced.  \fB\-d\fP writes out the journal in the format used by
versions of BIND up to 9.16.11; \fB\-u\fP writes it out in the format used
by versions since 9.16.13. (9.16.12 is omitted due to a journal\-formatting
bug in that release.) Note that these options \fImust not\fP be used while
\fI\%named\fP is running.
.SH SEE ALSO
.sp
\fI\%named(8)\fP, \fI\%nsupdate(1)\fP, BIND 9 Administrator Reference Manual.
.SH AUTHOR
Internet Systems Consortium
.SH COPYRIGHT
2023, Internet Systems Consortium
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